F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/167
F21V 5/02 (2006.01) F21V 5/00 (2006.01)
Patent
CA 1055457
ABSTRACT PRISMATIC LIGHTING PANEL A light weight plastic lighting panel having recessed conical prisms arranged in such a way that their intersecting edges form equilateral triangles, all of whose sides lie along lattice lines. The side of each triangle has a length of 0.475 cm. (three sixteenths of an inch), and the panel may have a weight of less than 1600 grams per square meter (5.2 ounces/square foot).
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